  <form action="<?=site_url('home/search_by_id')?>" method="post" enctype="multipart/form-data" name="mc_info" id="mc_info">
    <fieldset>
      <legend>近期订单列表</legend>
	  <div>
        <label for="serach_id">此输入订单流水号：</label>
        <input type="text" name="search_id">
      </div>
	  <div>
        <label for="sub_search">点这里开始搜索</label>
        <input type="submit" name="sub_search" value="搜索">
      </div>
	  
    </fieldset>
  </form>